介面张力作为一个参数,以评估重型原油乳液上的脱剂效率
Isabella G Freitas1, Carlos E Perles2, Vanessa C B Guersoni2
1Universidade de Campinas (UNICAMP), Dept. of Mechanical Engineering, Rua Mendeleyev, 200 - Cidade Universitária, 13083-860 Campinas, Brazil.
ACS omega
|August 18, 2025
概括
界面张力显著影响原油中水的乳液稳定性. 降低界面张力增强相位分离,提高脱硫剂的有效性,以获得更好的石油生产.
科学领域:
- 石油工程是石油工程中的一个.
- 合体和表面科学科学
- 物理化学 物理化学
背景情况:
- 原油中的水 (w/o) 乳液在石油生产过程中形成,增加粘度和降低流量.
- 消溶剂用于分解这些乳液,但传统的实验室测试,如瓶测试,不能完全捕捉动力稳定因素.
- 介面张力是一个关键的,但往往被忽视的因素,在稳定性和分离 w/o 乳液.
研究的目的:
- 为了研究介面张力对无/无乳液稳定性的影响.
- 了解相位分离的微观机制,涉及温度和脱硫剂度.
- 为了提供一种更准确的方法来评估脱乳剂效率和乳液稳定性.
主要方法:
- 利用中央复合可旋转设计 (CCRD) 来研究温度和除剂度的影响.
- 使用旋转滴压力计测量界面张力.
- 通过在离心力下进行相位分离来评估乳液稳定性,超越传统的瓶测试.
主要成果:
- 证明了相分离收益率和界面张力之间的明显反向相关性.
- 确定了界面张力作为评估脱硫剂性能的一个关键参数.
- 确定的温度和脱乳剂度作为影响界面张力和乳液稳定性的重要因素.
结论:
- 介面张力是 w/o 乳液稳定性和脱乳剂有效性的关键决定因素.
- 这项研究为复杂的原油水系统的稳定性提供了新的见解.
- 这项研究为优化石油生产中的脱化策略提供了基础.
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